[mirror_ubuntu-artful-kernel.git] / include / linux / reset.h

#ifndef _LINUX_RESET_H_
#define _LINUX_RESET_H_

struct device;
struct device_node;
struct reset_control;

#ifdef CONFIG_RESET_CONTROLLER

int reset_control_reset(struct reset_control *rstc);
int reset_control_assert(struct reset_control *rstc);
int reset_control_deassert(struct reset_control *rstc);
int reset_control_status(struct reset_control *rstc);

struct reset_control *reset_control_get(struct device *dev, const char *id);
void reset_control_put(struct reset_control *rstc);
struct reset_control *devm_reset_control_get(struct device *dev, const char *id);

int __must_check device_reset(struct device *dev);

static inline int device_reset_optional(struct device *dev)
{
	return device_reset(dev);
}

static inline struct reset_control *reset_control_get_optional(
					struct device *dev, const char *id)
{
	return reset_control_get(dev, id);
}

static inline struct reset_control *devm_reset_control_get_optional(
					struct device *dev, const char *id)
{
	return devm_reset_control_get(dev, id);
}

struct reset_control *of_reset_control_get(struct device_node *node,
					   const char *id);

struct reset_control *of_reset_control_get_by_index(
					struct device_node *node, int index);

#else

static inline int reset_control_reset(struct reset_control *rstc)
{
	WARN_ON(1);
	return 0;
}

static inline int reset_control_assert(struct reset_control *rstc)
{
	WARN_ON(1);
	return 0;
}

static inline int reset_control_deassert(struct reset_control *rstc)
{
	WARN_ON(1);
	return 0;
}

static inline int reset_control_status(struct reset_control *rstc)
{
	WARN_ON(1);
	return 0;
}

static inline void reset_control_put(struct reset_control *rstc)
{
	WARN_ON(1);
}

static inline int device_reset_optional(struct device *dev)
{
	return -ENOTSUPP;
}

static inline struct reset_control *__must_check reset_control_get(
					struct device *dev, const char *id)
{
	WARN_ON(1);
	return ERR_PTR(-EINVAL);
}

static inline struct reset_control *__must_check devm_reset_control_get(
					struct device *dev, const char *id)
{
	WARN_ON(1);
	return ERR_PTR(-EINVAL);
}

static inline struct reset_control *reset_control_get_optional(
					struct device *dev, const char *id)
{
	return ERR_PTR(-ENOTSUPP);
}

static inline struct reset_control *devm_reset_control_get_optional(
					struct device *dev, const char *id)
{
	return ERR_PTR(-ENOTSUPP);
}

static inline struct reset_control *of_reset_control_get(
				struct device_node *node, const char *id)
{
	return ERR_PTR(-ENOTSUPP);
}

static inline struct reset_control *of_reset_control_get_by_index(
				struct device_node *node, int index)
{
	return ERR_PTR(-ENOTSUPP);
}

#endif /* CONFIG_RESET_CONTROLLER */

#endif
Commit	Line	Data
61fc4131 PZ	1	#ifndef _LINUX_RESET_H_
	2	#define _LINUX_RESET_H_
	3
	4	struct device;
e3ec0a8c	5	struct device_node;
61fc4131 PZ	6	struct reset_control;
61fc4131 PZ	7
b424080a PZ	8	#ifdef CONFIG_RESET_CONTROLLER
b424080a PZ	9
61fc4131 PZ	10	int reset_control_reset(struct reset_control *rstc);
	11	int reset_control_assert(struct reset_control *rstc);
	12	int reset_control_deassert(struct reset_control *rstc);
729de41b	13	int reset_control_status(struct reset_control *rstc);
61fc4131 PZ	14
	15	struct reset_control reset_control_get(struct device dev, const char *id);
	16	void reset_control_put(struct reset_control *rstc);
	17	struct reset_control devm_reset_control_get(struct device dev, const char *id);
	18
b424080a PZ	19	int __must_check device_reset(struct device *dev);
	20
	21	static inline int device_reset_optional(struct device *dev)
	22	{
	23	return device_reset(dev);
	24	}
	25
	26	static inline struct reset_control *reset_control_get_optional(
	27	struct device dev, const char id)
	28	{
	29	return reset_control_get(dev, id);
	30	}
	31
	32	static inline struct reset_control *devm_reset_control_get_optional(
	33	struct device dev, const char id)
	34	{
	35	return devm_reset_control_get(dev, id);
	36	}
	37
e3ec0a8c HG	38	struct reset_control of_reset_control_get(struct device_node node,
	39	const char *id);
	40
c0a13aa6 VH	41	struct reset_control *of_reset_control_get_by_index(
	42	struct device_node *node, int index);
	43
b424080a PZ	44	#else
	45
	46	static inline int reset_control_reset(struct reset_control *rstc)
	47	{
	48	WARN_ON(1);
	49	return 0;
	50	}
	51
	52	static inline int reset_control_assert(struct reset_control *rstc)
	53	{
	54	WARN_ON(1);
	55	return 0;
	56	}
	57
	58	static inline int reset_control_deassert(struct reset_control *rstc)
	59	{
	60	WARN_ON(1);
	61	return 0;
	62	}
	63
729de41b DN	64	static inline int reset_control_status(struct reset_control *rstc)
	65	{
	66	WARN_ON(1);
	67	return 0;
	68	}
	69
b424080a PZ	70	static inline void reset_control_put(struct reset_control *rstc)
	71	{
	72	WARN_ON(1);
	73	}
	74
	75	static inline int device_reset_optional(struct device *dev)
	76	{
39b4da71	77	return -ENOTSUPP;
b424080a PZ	78	}
b424080a PZ	79
5bcd0b7f AL	80	static inline struct reset_control *__must_check reset_control_get(
	81	struct device dev, const char id)
	82	{
	83	WARN_ON(1);
	84	return ERR_PTR(-EINVAL);
	85	}
	86
	87	static inline struct reset_control *__must_check devm_reset_control_get(
	88	struct device dev, const char id)
	89	{
	90	WARN_ON(1);
	91	return ERR_PTR(-EINVAL);
	92	}
	93
b424080a PZ	94	static inline struct reset_control *reset_control_get_optional(
	95	struct device dev, const char id)
	96	{
39b4da71	97	return ERR_PTR(-ENOTSUPP);
b424080a PZ	98	}
	99
	100	static inline struct reset_control *devm_reset_control_get_optional(
	101	struct device dev, const char id)
	102	{
39b4da71	103	return ERR_PTR(-ENOTSUPP);
b424080a PZ	104	}
b424080a PZ	105
e3ec0a8c HG	106	static inline struct reset_control *of_reset_control_get(
	107	struct device_node node, const char id)
	108	{
39b4da71	109	return ERR_PTR(-ENOTSUPP);
e3ec0a8c HG	110	}
e3ec0a8c HG	111
c0a13aa6 VH	112	static inline struct reset_control *of_reset_control_get_by_index(
	113	struct device_node *node, int index)
	114	{
	115	return ERR_PTR(-ENOTSUPP);
	116	}
	117
b424080a	118	#endif /* CONFIG_RESET_CONTROLLER */
61fc4131 PZ	119
61fc4131 PZ	120	#endif